How long has it been? ~~~ Our kids were discussing a science formula the other day: Avogadro's law.  Have we ever heard of it? They learned of Avogadro's law in ninth or tenth grade Chemistry, and it states that equal volumes of all gases, at the same temperature and pressure, contain the exact same number of molecules . How long has it been since we learned and discussed science formulas? ~~~ Amongst his other university courses, our college freshman son is knee-deep in an Honor's Humanities class that requires him to read literary and philosophical classics such as Thomas Hobbes: Leviathan , John Locke's: Two Treatise's of Government, and Plato's: Republic .  (For example,  The Republic is a Socratic dialogue written by the ancient Greek philosopher Plato around 375 BC that investigates the nature of justice, the ideal state, and the well-ordered human soul. ~source:AI) Such "classic" books excite me, but have served as exhausting to our son in ...